categorize.py 文件源码

def fromJsonFragment(json, nameFromParent):
        if isinstance(json, dict) and hasKeys(json.keys(), ["entries", "bins:type", "bins"], ["name", "bins:name"]):
            if json["entries"] in ("nan", "inf", "-inf") or isinstance(json["entries"], numbers.Real):
                entries = float(json["entries"])
            else:
                raise JsonFormatException(json, "Categorize.entries")

            if isinstance(json.get("name", None), basestring):
                name = json["name"]
            elif json.get("name", None) is None:
                name = None
            else:
                raise JsonFormatException(json["name"], "Categorize.name")

            if isinstance(json["bins:type"], basestring):
                contentType = json["bins:type"]
                factory = Factory.registered[contentType]
            else:
                raise JsonFormatException(json, "Categorize.bins:type")

            if isinstance(json.get("bins:name", None), basestring):
                dataName = json["bins:name"]
            elif json.get("bins:name", None) is None:
                dataName = None
            else:
                raise JsonFormatException(json["bins:name"], "Categorize.bins:name")

            if isinstance(json["bins"], dict):
                bins = dict((k, factory.fromJsonFragment(v, dataName)) for k, v in json["bins"].items())
            else:
                raise JsonFormatException(json, "Categorize.bins")

            out = Categorize.ed(entries, contentType, **bins)
            out.quantity.name = nameFromParent if name is None else name
            return out.specialize()

        else:
            raise JsonFormatException(json, "Categorize")